/* === BASE STYLES === */:root {
    --primary-coral: #f150e8;
    --primary-deep: #c93dd1;
    --accent-electric: #4ECDC4;
    --accent-bright: #45B7D1;
    --dark-base: #0A0E27;
    --dark-elevated: #151937;
    --dark-surface: #1E2447;
    --text-primary: #FFFFFF;
    --text-secondary: #B8C5D6;
    --text-muted: #7B8BA3;
    --success: #26DE81;
    --warning: #FED330;
    --gradient-primary: linear-gradient(135deg, #f150e8 0%, #c93dd1 100%);
    --gradient-accent: linear-gradient(135deg, #4ECDC4 0%, #45B7D1 100%);
    --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #151937 100%);
    --shadow-sm: 0 2px 8px rgba(241, 80, 232, 0.15);
    --shadow-md: 0 8px 24px rgba(241, 80, 232, 0.2);
    --shadow-lg: 0 16px 48px rgba(241, 80, 232, 0.25);
    --shadow-xl: 0 24px 64px rgba(241, 80, 232, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: clamp(36px, 5vw, 68px);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(32px, 4vw, 52px);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(24px, 3vw, 36px);
    letter-spacing: -0.01em;
}

h4 {
    font-size: clamp(20px, 2.5vw, 28px);
}

p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

a {
    color: var(--accent-electric);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-bright);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.btn-primary {
    display: inline-block;
    padding: 18px 40px;
    background: var(--gradient-primary);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 17px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    text-align: center;
    min-height: 44px;
    text-decoration: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}

.btn-primary:hover::before {
    left: 100%;
}

.card {
    background: var(--dark-elevated);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(78, 205, 196, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(78, 205, 196, 0.3);
}

.content-image {
    margin: 2.5rem 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.content-image.wide img {
    width: 100%;
    object-fit: cover;
}

.content-image.portrait img {
    max-width: 600px;
    margin: 0 auto;
}

section {
    padding: 80px 0;
    position: relative;
}

.highlight-box {
    background: var(--dark-surface);
    border-left: 4px solid var(--primary-coral);
    padding: 28px;
    margin: 2rem 0;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent-electric);
    border-radius: 50%;
}

/* === LAYOUT STYLES === */
header {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(78, 205, 196, 0.1);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(241, 80, 232, 0.3));
}

nav {
    display: flex;
    align-items: center;
    gap: 48px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-electric);
    transition: width 0.3s ease;
}

.nav-menu li a:hover {
    color: var(--text-primary);
}

.nav-menu li a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

footer {
    background: var(--dark-elevated);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(78, 205, 196, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 20px;
}

.footer-section p,
.footer-section ul {
    color: var(--text-muted);
    font-size: 15px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-muted);
}

.footer-section ul li a:hover {
    color: var(--accent-electric);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(78, 205, 196, 0.1);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0;
}

@media (max-width: 991px) {
    nav {
        gap: 24px;
    }

    .nav-menu {
        gap: 24px;
    }
}

@media (max-width: 767px) {
    header .container {
        position: relative;
    }

    .logo {
        order: 1;
    }

    .hamburger {
        display: flex;
        order: 2;
    }

    nav {
        order: 4;
        width: 100%;
        margin-top: 20px;
    }

    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 40px 24px;
        gap: 0;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(78, 205, 196, 0.1);
    }

    .nav-menu li a {
        display: block;
        padding: 20px 0;
        font-size: 18px;
    }

    header .cta-button {
        order: 3;
        width: 100%;
        margin-top: 20px;
        padding: 16px 32px;
    }
}

@media (max-width: 991px) {
    nav {
        gap: 24px;
    }

    .nav-menu {
        gap: 24px;
    }
}

@media (max-width: 767px) {
    header .container {
        position: relative;
    }

    .logo {
        order: 1;
    }

    .hamburger {
        display: flex;
        order: 2;
    }

    nav {
        order: 4;
        width: 100%;
        margin-top: 20px;
    }

    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 40px 24px;
        gap: 0;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(78, 205, 196, 0.1);
    }

    .nav-menu li a {
        display: block;
        padding: 20px 0;
        font-size: 18px;
    }

    header .cta-button {
        order: 3;
        width: 100%;
        margin-top: 20px;
        padding: 16px 32px;
    }
}

@media (max-width: 767px) {
    section {
        padding: 60px 0;
    }

    .hero-section {
        padding: 80px 0 60px;
    }

    .contents-list {
        grid-template-columns: 1fr;
    }

    .feature-blocks {
        grid-template-columns: 1fr;
    }

    .cards-grid-3 .container > div:not(.card) {
        grid-template-columns: 1fr;
    }

    .tabs-nav {
        flex-direction: column;
    }

    .tab-button {
        width: 100%;
    }

    .table-wrapper {
        border-radius: 12px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 14px 16px;
        font-size: 14px;
    }

    .accordion-header {
        padding: 20px;
    }

    .accordion-header h3 {
        font-size: 18px;
    }

    .accordion-body > * {
        padding: 0 20px 20px;
    }

    .cta-section {
        padding: 80px 0;
    }
}